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Altoids Tin Breadboard with Power Supply 


Altoids Tin Breadboard with 
Power Supply 

Written By: Nathan Walden 


A breadboard is like a circuit board that is already connected; you just have to insert the 
parts. This is yet another Altoids tin project that lets you turn on different voltages to the 

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Altoids Tin Breadboard with Power Supply 

Step 1 — Altoids Tin Breadboard with Power Supply 

• First you should gather the parts: 

• 1 half-sized breadboard. 

• 1 regular 50+ Altoids tin. 

• Three 1-way toggle switches. 

• A nine-volt battery and clip. 

• 1 single-AA or AAA battery holder 
and batteries for it. 

• 1 2-AAA holder and batteries 
(preferably) or if not, a 2-AA holder 
and batteries. 

• At least 3 feet of red wire and three 
feet of black. Make sure you have 
both; color-coding is helpful when 
wiring. Use 20- to 24-gauge wire. 

Step 2 

• First drill three holes in the side of 
the bottom portion of your Altoids 
tin for your switches. Then drill a 
hole just big enough for two wires 
to come out in the top no more than 
1/3 inch from the edge. Now insert 
your switches into the three 
previous holes and attach them 
with the nuts that come with them. 

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Altoids Tin Breadboard with Power Supply 

Step 3 

• Got that? Good. 

• Now insert your battery packs in 
the case. Push them against the 
side opposite the switches so you 
can have room to solder. In the 
picture you can see all the wires 
because I forgot to take pics as I 
did the project. But focus on the 
battery packs. 

Step 4 

• Now solder all the negative leads 
from the battery holders to a single 
3ft piece of BLACK wire. Then fish 
out as much as you can through 
the hole in the top. 

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Altoids Tin Breadboard with Power Supply 

Step 5 

Now solder the positive of one battery holder to a switch, then another positive to another 
switch, then one more positive to another switch. When you are done solder one 3-6 inch 
lead of red wire to the other pin on each of the switches. Then solder those to the strip of 
red wire that you have left and fish it out of the box. 

Step 6 

• You might want to file the hole that 
the wires come out of, or install a 
rubber grommet so that the sharp 
edges of the metal do not cut 
through the insulation on the wires. 

• Now attach your breadboard to the 
top of the tin. If you got your 
breadboard at RadioShack then it 
should have a sticky backing 
(which mine did). 

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Altoids Tin Breadboard with Power Supply 

Step 7 

• Strip the ends of the power wires 
and stick them into the 
breadboard's power busses. 

• Here is the final product. You'll also 
want to label the switches with 
what voltages each one supplies. 
Then you can power all different 
kinds of devices with your portable 
breadboard and power supply. 

st generated on 2012-11-02 11:36:43 PM. 

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